Dr. James Patrick Klaas, MD

  • Rochester, MN
  • Neurologist
NPI1861622375PAC ID0143414698
Medicare services, 2024
134
Medicare patients, 2024
115
Part D claims, 2024
106
Publications
88
Hospital affiliations
1
Practice address
200 First Street SW, Rochester, MN 55905
Practice phone
Call (507) 284-5968
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Mayo Clinic Breast Diagnostic Clinic

Mammography / Breast Imaging Center · Rochester, Minnesota

See all 8 affiliations

Find Dr. Klaas' professional email, personal email and mobile number

Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.

View contacts for free

Dr. James Patrick Klaas is a neurologist in Rochester, Minnesota

Dr. Klaas practices at Mayo Clinic Breast Diagnostic Clinic in Rochester, Minnesota.

Dr. Klaas' NPI, 1861622375, was assigned on July 17, 2009. Dr. Klaas graduated from University Of Minnesota Medical School in 2009. Dr. Klaas' Minnesota license number on file is 53054.

NPI and contact details
Medicare PAC ID
0143414698
NPI enumeration date
July 17, 2009
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(507) 284-5968
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
43
Medical school graduation
2009

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. James Patrick Klaas practices at Mayo Clinic Breast Diagnostic Clinic in Rochester, Minnesota

Dr. Klaas' primary practice is Mayo Clinic Breast Diagnostic Clinic, at 200 First Street SW, Rochester, MN 55905. The practice phone is (507) 284-5968.

  • Mayo Clinic Breast Diagnostic Clinic
    200 First Street SW, Rochester, MN 55905Phone(507) 284-5968

Source: Dmand AI Affiliation Data

Dr. James Patrick Klaas is affiliated with 4 sites of care and 4 medical groups

Dr. Klaas' primary practice is Mayo Clinic Breast Diagnostic Clinic in Rochester, Minnesota. Dr. Klaas is also affiliated with Mayo Clinic Hospital, Saint Marys Campus. The medical group on file is Mayo Clinic. Dmand AI also links Dr. Klaas to 3 more medical groups, 1 clinical lab and 1 hospice, each named with a free account. Dr. Klaas' employer is on file too: a breast imaging center.

See all 8 affiliations for Dr. Klaas

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. James Patrick Klaas' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Klaas practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Mayo Clinic Breast Diagnostic ClinicAvailable with a free account
+3 more sites and 3 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every site where Dr. Klaas practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.

Dr. James Patrick Klaas is one of 499 neurologists in Minnesota

Neurology is Dr. Klaas' primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dr. Klaas is board certified in neurology by the American Board of Psychiatry and Neurology. Dmand AI has Dr. Klaas' licenses on file in 11 states: Minnesota, Michigan, Arizona, Florida, Georgia, Pennsylvania, Iowa, North Dakota, Wisconsin, Missouri and South Carolina.

Specialties and state licenses

  • Neurology, MinnesotaPrimaryLicense 53054 · 2010 to 2025 · taxonomy 2084N0400X
  • Michigan license2018 to 2028
  • Arizona licenseLicense 46518 · 2012 to 2026
  • Florida license2017 to 2026
  • Georgia license2021 to 2026
  • Pennsylvania license2022 to 2026
  • Iowa license2014 to 2025
  • North Dakota license2019 to 2025
  • Wisconsin license2014 to 2025
  • Missouri license2017 to 2019
  • South Carolina license2018 to 2019

Clinical focus

Dmand AI lists acute mini-stroke (TIA), cerebrovascular disease, neuropathy, parkinson's disease, seizures, stroke and thoracic spine disorders among the conditions Dr. Klaas treats.

Neurologists near Dr. Klaas

Counts of neurologists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. James Patrick Klaas billed Medicare for 134 services in 2024

CMS data shows 134 Medicare services from Dr. Klaas across 7 procedure codes in 2024, for 115 Medicare patients. Medicare paid $8,130 for them.

Medicare services, 2024134
Medicare patients115
Paid by Medicare$8,130
Procedure codes7

Dr. Klaas' Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 952024: 11117%
Surgery
2023: 02024: 12
Other services
2023: 172024: 1135%

Where Dr. Klaas' Medicare services took place, 2024

  • In an office5037%
  • In a facility8463%

Dr. Klaas compared with the Minnesota median for neurologists, 2024

  • Dr. Klaas
  • Minnesota median
Medicare services
134vs 25347% below
Medicare patients
115vs 15023% below
Part D claims
42vs 12967% below

Medians across 462 neurologists in Minnesota with Dmand AI profiles that report each measure.

Dr. Klaas' most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Klaas

Need commercial claims for Dr. Klaas?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Klaas and other neurologists in Minnesota.

Book a meeting

Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. James Patrick Klaas treated 115 Medicare patients in 2024, average age 75

CMS counts 115 Medicare patients who saw Dr. Klaas in 2024. The largest group is 65 to 74, with 48 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.48, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Klaas' median patient age at 72, with 52% women.

Medicare patients, 2024115
Average age75
Average risk score1.48

Dr. Klaas' Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Klaas' Medicare patients by sex, 2024

  • Women5346%
  • Men6254%

Chronic conditions among Dr. Klaas' Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Stroke or TIA63%
  4. Arthritis43%
  5. Ischemic heart disease36%
  6. Chronic kidney disease33%
  7. Cancer31%
  8. Anxiety27%

Share of Medicare patients with each condition. A patient can have several.

Dr. Klaas' patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 72

Patient panel by sex, all payers

  • Women52%
  • Men48%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. James Patrick Klaas wrote 106 Medicare Part D claims in 2024

In 2024, Dr. Klaas wrote 106 Medicare Part D claims for 26 patients. 80% of them were for generic drugs. CMS names the drug for 42 of them, across 3 drugs with 11 or more claims each, at $1,032 in total drug cost. In 2023, CMS named 44 claims across 3 drugs.

Part D claims, 2024106
Drugs named by CMS3
Total drug cost$1,032
Part D patients26

Dr. Klaas' Part D claims by kind of drug, 2024

  • Generic85 claims80%
  • Brand-name21 claims20%

Dr. Klaas' most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 442024: 425%

Drugs named by CMS: 3 in 2024, 3 in 2023.

See all prescribing by Dr. Klaas

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. James Patrick Klaas offers telehealth to Medicare patients

Dr. Klaas accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Klaas as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

For MedTech and pharma teams

Find neurologists like Dr. Klaas by procedure volume and prescribing

Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.

Dr. James Patrick Klaas has 88 publications on record

Dmand AI links 88 papers to Dr. Klaas, published from 2013 to 2024. 2020 was the busiest year, with 9. The most frequent topics are Stroke, Magnetic Resonance Imaging and Moyamoya Disease. Dr. Klaas has published most often in J Stroke Cerebrovasc Dis. Dr. Klaas' most frequent co-authors are Giuseppe Lanzino, MD, Robert Duane Brown, MD and David B. Burkholder.

Papers88
Years published2013 to 2024

Dr. Klaas' papers by year, 2015 to 2024

Topics Dr. Klaas writes about most

  • Stroke
  • Magnetic Resonance Imaging
  • Moyamoya Disease
  • Cerebral Angiography
  • Minnesota
  • Brain Ischemia
  • Carotid Artery Diseases
  • Carotid Stenosis

Dr. Klaas' most frequent co-authors

Recent publications by Dr. Klaas

See all 88 publications and co-authors

See who Dr. Klaas researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Klaas works with, so you can find a warm path to the right neurologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. James Patrick Klaas received $505 in industry payments from 2017 to 2024

CMS Open Payments shows 5 general payments to Dr. Klaas from 4 drug and device companies from 2017 to 2024. Food and beverage make up the largest share, 50% of the total. Stryker Corporation paid the most, $250.

General payments to Dr. Klaas by program year, 2017 to 2024

General payments to Dr. Klaas by kind, 2017 to 2024

$505in total
  • Food and beverage$25550%
  • Speaker and faculty fees$25050%

Companies that paid Dr. Klaas the most, 2017 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Klaas

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. James Patrick Klaas graduated from University Of Minnesota Medical School

Dr. Klaas graduated from University Of Minnesota Medical School in 2009.

  1. Medical schoolUniversity Of Minnesota Medical School
  2. Board certified in neurologyAmerican Board of Psychiatry and Neurology

Source: Dmand AI Professional Profile Data

Dr. James Patrick Klaas accepts plans from 16 insurance carriers

Dr. Klaas is in network with 16 carriers, including Aetna, Medica and United Healthcare. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.

Plan types Dr. Klaas accepts, by number of carriers

  1. PPO10
  2. HMO7
  3. Medicare5
  4. EPO4
  5. POS4
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. James Patrick Klaas's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. James Patrick Klaas

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. James Patrick Klaas' NPI number?

Dr. James Patrick Klaas' NPI number is 1861622375. It was assigned on July 17, 2009, and it is active in the NPI Registry.

What kind of doctor is Dr. James Patrick Klaas?

Dr. James Patrick Klaas is a neurologist in Rochester, Minnesota. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).

Where does Dr. James Patrick Klaas practice?

Dr. Klaas practices at 200 First Street SW, Rochester, MN 55905. Dr. Klaas' primary practice is Mayo Clinic Breast Diagnostic Clinic in Rochester, Minnesota. Dmand AI also links Dr. Klaas to 3 medical groups, 1 clinical lab and 1 hospice.

What is Dr. James Patrick Klaas' office phone number?

The practice phone on file for Dr. Klaas is (507) 284-5968.

What is Dr. James Patrick Klaas' medical license number?

Dr. Klaas' Minnesota license number on file is 53054, one of the licenses on file in 11 states.

Which states has Dr. James Patrick Klaas been licensed in?

Dmand AI has state licenses on file for Dr. Klaas in Minnesota (2010 to 2025), Michigan (2018 to 2028), Arizona (2012 to 2026), Florida (2017 to 2026), Georgia (2021 to 2026), Pennsylvania (2022 to 2026), Iowa (2014 to 2025), North Dakota (2019 to 2025), Wisconsin (2014 to 2025), Missouri (2017 to 2019) and South Carolina (2018 to 2019).

Which hospitals is Dr. James Patrick Klaas affiliated with?

Dr. Klaas is affiliated with Mayo Clinic Hospital, Saint Marys Campus.

What medical group is Dr. James Patrick Klaas part of?

Dr. Klaas is linked to Mayo Clinic. Dmand AI links Dr. Klaas to 3 more medical groups.

Does Dr. James Patrick Klaas accept Medicare?

Yes. CMS data shows Dr. Klaas billed Medicare for 134 services in 2024, and Dr. Klaas accepts Medicare assignment.

Does Dr. James Patrick Klaas offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Klaas as offering telehealth services.

Show 10 more questionsShow fewer questions

How many Medicare patients does Dr. James Patrick Klaas see?

CMS counts 115 Medicare patients who saw Dr. Klaas in 2024, with an average age of 75.

Is Dr. James Patrick Klaas board certified?

Yes. Dr. Klaas is board certified in neurology by the American Board of Psychiatry and Neurology.

What services does Dr. James Patrick Klaas bill to Medicare?

In 2024, Dr. Klaas' most billed Medicare services were hospital inpatient care (99231), hospital inpatient care (99232) and office visit, established patient (99215).

Where did Dr. James Patrick Klaas go to medical school?

Dr. Klaas graduated from University Of Minnesota Medical School in 2009.

What drugs does Dr. James Patrick Klaas prescribe most?

In 2024 Medicare Part D data, Dr. Klaas' most prescribed drugs by claims were Clopidogrel, Donepezil HCl and Lacosamide.

Has Dr. James Patrick Klaas received payments from drug or device companies?

CMS Open Payments shows $505 in general payments to Dr. Klaas from 4 companies from 2017 to 2024. The largest total came from Stryker Corporation.

How long has Dr. James Patrick Klaas been practicing?

Dr. Klaas graduated from medical school in 2009, 17 years ago.

Does Dr. James Patrick Klaas do research?

Dmand AI links 88 publications to Dr. Klaas, published from 2013 to 2024.

Who does Dr. James Patrick Klaas publish with?

Dr. Klaas' most frequent co-authors are Giuseppe Lanzino, MD (21 shared papers), Robert Duane Brown, MD (9 shared papers) and David B. Burkholder (8 shared papers).

What insurance does Dr. James Patrick Klaas accept?

Dr. Klaas is in network with 16 carriers, including Aetna, Medica and United Healthcare. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.

Selling to neurology practices?

See neurologists in Minnesota by site of care and group

Find the practices, groups and hospitals they work with, and the right people to contact at each.

  • 30 days free
  • Self-serve
  • No credit card

Cookie settings

Turn each category on or off. Your choice is kept for 12 months and you can change it here at any time.

Necessary

Always on. Sign-in, security, downloads you asked for, your cookie choice, and the page that led to a signup.

View cookies (6)
  • dm_consentDmand AI. Your cookie choices and whether your browser sent a Global Privacy Control signal. 12 months.
  • dm_ft, dm_ltDmand AI. The first and the latest page you arrived on, with the date, so a signup is credited to the page that worked. 90 days, 30 days.
  • dm_fs, dm_lsDmand AI. The first and the latest source of a visit (a search engine, a campaign or the site that linked here). 90 days, 30 days.
  • dm_dl, dm_dl_okDmand AI. After you give an email address for a download, lets you download files without being asked again. 30 days.
  • Session and CSRF cookiesDmand AI (app.dmand.ai). Sign-in and form protection in the application. Session.
  • __cf_bm, cf_clearanceCloudflare. Tells people from automated traffic and keeps the site available. 30 minutes; cf_clearance while a security check is valid.

Analytics

On unless you turn it off. How pages are used, in aggregate, and recordings of how pages are used.

View cookies (6)
  • Google Tag ManagerGoogle. Loads the analytics and marketing tags that are on. Sets no cookie of its own and does not load when both categories are off. n/a.
  • _ga, _ga_<container-id>Google Analytics 4. Visits and page views in aggregate on dmand.ai. 2 years.
  • _clck, _clskMicrosoft Clarity. Recordings and heatmaps of how pages are used, with form fields masked. 1 year, 1 day.
  • CLID, MUID, ANONCHK, MR, SMMicrosoft (clarity.ms). Set by Microsoft when Clarity loads, to recognize a browser across sites that use Clarity. Up to 1 year.
  • None (cookieless)Ahrefs Analytics. Page views in aggregate. n/a.
  • ph_<project>_posthogPostHog. Product usage, errors and performance in app.dmand.ai, used to fix bugs and improve features. 365 days.

Marketing

On unless you turn it off, and always off when your browser sends a Global Privacy Control signal. A visitor identification service tells our sales team which companies and people visit.

View cookies (6)
  • _reb2buid, _reb2butkRB2B. Recognizes a returning browser for visitor identification. 360 days, 1 year.
  • _reb2bgeoRB2B. The location used to decide whether a visit can be identified. 20 days.
  • _reb2brefRB2B. The page or site that referred the visit. 15 days.
  • _reb2bfxf, _reb2btd, _reb2bliRB2B. Links the visit to an identified business profile. 1 month.
  • _reb2bresolveRB2B. Holds a match while it is being resolved. 2 days.
  • _reb2sessionID, _reb2bloadedRB2B. The current visit, and a guard against loading the script twice. 30 minutes, 1 second.

Functional

On unless you turn it off. Remembers choices such as a collapsed section.

View cookies (none today)